rivulus / ˈrɪv yə ləs /

📖毕业后词汇铆钉铆接铆螺母铆钉式

rivulus 的定义

n. 名词 noun

plural riv·u·lus.

  1. any of several killifishes of the genus Rivulus, native to small streams of tropical America, often kept in aquariums.